t’s been a long, wet winter. Everybody has got colds, and now we are braced for a coronavirus epidemic. Boosting our immune system has rarely felt more urgent, but, beyond eating more tangerines and hoping for the best, what else can we do?
Sheena Cruickshank, a professor of immunology at the University of Manchester, has a “shocking cold” when we speak at a safe distance, over the phone. To know how to take care of your immune system, she says, first you need to understand the weapons in your armoury – a cheeringly impressive collection, it turns out.